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The AD7798/AD7799 are low power, low noise, complete analog front ends for high precision measurement applications. The AD7798/AD7799 contains a low noise, 16-/24-bit Σ-Δ ADC with three differential analog inputs. The on-chip, low noise instrumentation amplifier means that signals of small amplitude can be interfaced directly to the ADC. With a gain setting of 64, the rms noise is 27 nV for the AD7799 and 40 nV for the AD7798 when the update rate equals 4.17 Hz. On-chip features include a low-side power switch, reference detect, programmable digital output pins, burnout currents, and an internal clock oscillator. The output data rate from the part is software-programmable and can be varied from 4.17 Hz to 470 Hz. The part operates with a power supply from 2.7 V to 5.25 V. The AD7798 consumes a current of 300 μA typical, whereas the AD7799 consumes 380 μA typical. Both devices are housed in a 16-lead TSSOP package. Applications Weigh scales Pressure measurement Strain gauge transducers Gas analysis Industrial process control Instrumentation Portable instrumentation Blood analysis Smart transmitters Liquid/gas chromotography 6-digit DVM
Количество в упаковке | 96 |
Корпус | HTSSOP-16 |
Вес | 0.135 г |
supply_voltage_dc | 2.70 V (min) |
data_rate | 500 bps |
mil_spec | No |
power_dissipation | 2.50 mW |
reach_svhc_compliance | No SVHC |
lead_free_status | Contains Lead |
mounting_style | Surface Mount |
packaging | Tube, Bulk |
case_package | TSSOP |
sample_rate | 470 Hz |
supply_current | 440 µA |
lifecycle_status | Active |
number_of_bits | 24 |
rohs_status | Compliant |
pin_count | 16 |
resolution_bits | 24.0 |
Resolution (Bits) | 24bit |
Sampling Rate | 470SPS |
Supply Voltage Type | Single |
Supply Voltage Min | 2.7V |
Supply Voltage Max | 5.25V |
ADC / DAC Case Style | TSSOP |
No. of Pins | 16Pins |
Input Channel Type | Differential |
Data Interface | Serial |
Operating Temperature Min | -40°C |
Operating Temperature Max | 105°C |
Packaging | Each |
Product Range | Triple 24-Bit Sigma-Delta ADCs |
Automotive Qualification Standard | - |
RoHS Phthalates Compliant | Yes |
MSL | MSL 1 - Unlimited |
SVHC | No SVHC (07-Jul-2017) |
A/D / D/A Features | 3-Wire Serial, SPI, QSPI Interface, Microwire, DSP Compatible, On-Chip In-Amp, Low Noise, Low Power |
Base Number | 7799 |
Conversion Time | 2000µs |
Data Rate | 500bps |
IC Case Style | TSSOP |
IC Generic Number | 7799 |
Logic Function Number | 7799 |
No. of Bits | 24bit |
No. of Channels | 3Channels |
Operating Temperature Range | -40°C to +105°C |
Supply Current | 440µA |
Supply Voltage Range | 2.7V to 5.25V |
Supply Voltage Range - Analogue | 2.7V to 5.25V |
Supply Voltage Range - Digital | 2.7V to 5.25V |
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